Wetzel Oil Int'l turn any feedstock into renewable diesel. The feedstock can be any organic or inorganic source such as algae, waste vegetable oil, seed oil, etc. When our product is mixed with soy oil for example, the final result looks and function just like a regular fossil-based diesel. The difference is that it burns cleaner, cheaper to produce, and from a renewable source. Our customer can be farmers, bio-tech, or fossil fuel producers.